Question

корень х+ 4корень х-6=0

Answer 1

√x+4√x-6=0
5√x=6
√x=6/5
X=(6/5)^2
X=36/25=1 11/25

(Проверяем!!!
√36/25+4√36/25-6=0
6/5+4×6/5-6=0
6/5+24/5-6=0
30/5-6=0
6-6=0)